syncing zoom ruler selection causes the editor selection to misbehave in iPad. Syncing is not really necessary.
Bug 447445 - [CSSLint] We should have more than one css validator test
Add tests for basic problems, parsing errors and embedded rulesets
zoom ruler performance improvement - cache ruler width
Bug 439556 - nonnlsPlugin only does half the job

Accept a trailing '/' correctly.

Change-Id: Ibb082890ba1f128b6308c01b754e45af9a1acd02
Signed-off-by: Paul Webster <pwebster@ca.ibm.com>